Quitting is not celebrated enough in our society, but it is often the smart decision to make. Behavioral scientist Annie Duke emphasizes the importance of knowing when to quit, as it can lead to better outcomes in life, career, and relationships. Success is not solely about perseverance but also about making smart decisions on when to walk away. Annie's experience as a professional poker player highlights that pros excel by knowing when to fold. Understanding the power of quitting can lead to a more successful and fulfilling life.